Why does a blackboard appear black

Login to Bookmark. Previous Question. Next Question. Report Error. Add Bookmark View My Bookmarks. The apparent weight of a person sitting in a lift is less than its real weight when the lift moves A.

The time period of a pendulum watch: A. The pendulum watches become slowed down in summer because: A. Not Logged In Login Now. Exams - CDS. The blackboard seems black because a. See Answer Next Question. Share this Question. View on App. Your name:. Your Email:. Correction suggested:. Successful flight tests of indigenously-developed smart anti-airfield weapons carried out by Read more..

D Tide. A lift channel. B warabandi system. C command area. D flow channel. A oneirology. B morphology.

C entomology. D kalology. A Krishna. B Sutlej. C Ravi. However, no substance is a perfect black body so it will reflect some of the light incident on it whose intensity is so low that it cannot be noticed by the naked eye. Start Learning English Hindi. This question was previously asked in. It reflects black colour It absorbs black colour It reflects all colours It absorbs all the colours. Let's discuss the concepts related to Physics and Laws and Principles.

Explore more from General Science here. Learn now! Start Now. Get Started for Free Download App. More Laws and Principles Questions Q1. Which of the following is an equation of uniform acceleration? The wave nature of electrons was first proved by whom?